几何绕射/一致性绕射,GTD/UTD
1)GTD/UTD几何绕射/一致性绕射
2)UTD一致性几何绕射
1.This The uniform geometrical theory of diffrraction(UTD) was employed to calculate the islation of aircraft antennas.利用一致性几何绕射理论仿真计算了机载天线间隔离度,并通过与实测结果的比较,验证了该仿真方法工程适用性。
2.To overcome PO s invalidition to the shadow of object,UTD is adopted to modify the current on the PO region in the simplied model.然后针对PO在阴影区域失效等问题 ,利用UTD(一致性几何绕射 )对该简化模型结构下的PO区域电流进行了修正 ,使得其应用范围得到扩展、计算精度得到提高。
3)UTD一致性几何绕射理论
1.A hybrid technique for combining moment methods(MoM) with the uniform geometrical theory of diffraction(UTD) was employed to calculate the radiation pattern of the aircraft antenna.采用矩量法(MoM)结合一致性几何绕射理论(UTD)的混合方法分析了机载单极天线的辐射特性。
2.A hybrid technique for combining moment methods (MM) with the uniform geometrical theory of diffraction (UTD) was employed to calculate the radiation pattern of the aircraft antenna.采用矩量法(MM)结合一致性几何绕射理论(UTD)的混合方法计算了机载单极天线的辐射方向图。
3.Airborne antenna radiation was studied by hybrid Uniform geometrical theory of diffraction(UTD) and Optimization Algorithm.一致性几何绕射理论(UTD)结合优化算法分析机载天线的辐射特性,编写了Matlab下的远场方向图计算仿真程序。
4)Uniform geometrical theory of diffraction一致性几何绕射理论
1.A hybrid technique that combines the moment methods(MoM) with the uniform geometrical theory of diffraction(UTD) is presented.采用矩量法结合一致性几何绕射理论分析电大尺寸载体附近天线阵列的辐射方向图,并使用遗传算法对阵列的方向图进行综合。
5)UTD几何绕射
1.The edge diffraction of a compact range reflector is discussed in this paper, the quasi plane field quality in the target zone is evaluated with uniform geometrical theory of diffraction (UTD), the relationship between the size of target zone and the frequency is presented.讨论了一种紧凑场反射器的边缘绕射情况,并用一致性几何绕射方法(UTD)对该反射器的目标区准平面波指标作了评估,给出了目标区大小与工作频率之间的关系。
英文短句/例句
1.Diffraction ray tracing of GTD on the cone and cylinder圆锥体与圆柱体的几何绕射理论绕射线寻迹
2.The Application of Object oriented Technology in GTD Software Development面向对象技术在几何绕射理论编程中的应用
3.Parameter Estimation of GTD Model Based on Sparse Component Analysis基于稀疏成份分析的几何绕射模型参数估计
4.In this paper, the horizontal radiation characteristics of dipole and loop antennas adjaeent to a rectangular cylinder reflector are calculated by the application of GTD.本文用几何绕射理论分析计算了矩形反射柱体近旁偶极子和双环天线的水平辐射特性。
5.synthetic(projective) geometry综合(射影)几何(学)
6.The synthetic geometers were developing projective geometry.综合几何学家们在发展射影几何学。
7.general affine differential geometry一般仿射微分几何(学)
8.finite dimensional projective geometry有限维射影几何(学)
9.Of or relating to the geometry of affine transformations.仿射几何学的仿射变换式几何学的，与其相关的
10.Clearly the virtual rotation about A is the geometric equivalent of taking moments about A.显然绕A的虚转动在几何上等价于对A点取矩。
11.Simulation of geometric effects of particles on flows and drag around abnormal shape particles颗粒绕流问题中几何形体效应的数值模拟
12.Calculation of Shielding Failure Flashover Rate on Electric Transmission Line Based on Improved EGM输电线路绕击跳闸率的改进电气几何模型
13.Deformation of Surfaces in Sphere, Affine and Similarity Geometries;球面、仿射几何和相似几何中的曲面运动
14.Generalization of a Proposition in Plane Geometry to Projective Geometry;一个初等几何命题在射影几何中的推广
15.Algebraic Struclure and Foundation of Geometry Ⅱ-The Affine Geometry and Euclidean Geometry on a field代数结构与几何基础Ⅱ──域上的仿射几何和欧氏几何
16.refraction, diffraction, and reflection of ocean waves海浪的折射、绕射和反射
17.Geometric conditions for measuring transmission densityGB/T11500-1989摄影透射密度测量的几何条件
18.Geometric conditions for photographic reflection density measurementGB/T12822-1991摄影反射密度测量的几何条件
相关短句/例句
UTD一致性几何绕射
1.This The uniform geometrical theory of diffrraction(UTD) was employed to calculate the islation of aircraft antennas.利用一致性几何绕射理论仿真计算了机载天线间隔离度,并通过与实测结果的比较,验证了该仿真方法工程适用性。
2.To overcome PO s invalidition to the shadow of object,UTD is adopted to modify the current on the PO region in the simplied model.然后针对PO在阴影区域失效等问题 ,利用UTD(一致性几何绕射 )对该简化模型结构下的PO区域电流进行了修正 ,使得其应用范围得到扩展、计算精度得到提高。
3)UTD一致性几何绕射理论
1.A hybrid technique for combining moment methods(MoM) with the uniform geometrical theory of diffraction(UTD) was employed to calculate the radiation pattern of the aircraft antenna.采用矩量法(MoM)结合一致性几何绕射理论(UTD)的混合方法分析了机载单极天线的辐射特性。
2.A hybrid technique for combining moment methods (MM) with the uniform geometrical theory of diffraction (UTD) was employed to calculate the radiation pattern of the aircraft antenna.采用矩量法(MM)结合一致性几何绕射理论(UTD)的混合方法计算了机载单极天线的辐射方向图。
3.Airborne antenna radiation was studied by hybrid Uniform geometrical theory of diffraction(UTD) and Optimization Algorithm.一致性几何绕射理论(UTD)结合优化算法分析机载天线的辐射特性,编写了Matlab下的远场方向图计算仿真程序。
4)Uniform geometrical theory of diffraction一致性几何绕射理论
1.A hybrid technique that combines the moment methods(MoM) with the uniform geometrical theory of diffraction(UTD) is presented.采用矩量法结合一致性几何绕射理论分析电大尺寸载体附近天线阵列的辐射方向图,并使用遗传算法对阵列的方向图进行综合。
5)UTD几何绕射
1.The edge diffraction of a compact range reflector is discussed in this paper, the quasi plane field quality in the target zone is evaluated with uniform geometrical theory of diffraction (UTD), the relationship between the size of target zone and the frequency is presented.讨论了一种紧凑场反射器的边缘绕射情况,并用一致性几何绕射方法(UTD)对该反射器的目标区准平面波指标作了评估,给出了目标区大小与工作频率之间的关系。
6)geometrical theory of diffraction几何绕射
1.A approximation algorithm of aperture integration andgeometrical theory of diffraction be used to calculate the near-field power densities of aperture antenna described in this paper.利用一种新的天线口径场积分的近似算法和几何绕射理论,并结合实际工程中天线的计算实例,对口径面天线的近区场进行计算,提高了计算的速度,又保证了计算结果的准确性。
2.Ray path tracing is a key step to applygeometrical theory of diffraction in solving the problems of high frequency electromagnetic scattering and radiating.射线寻迹是几何绕射理论 (GTD)解决高频电磁散射和辐射问题的关键步骤 。
延伸阅读
几何①〈书〉多少：价值～？ㄧ曾～时。②几何学的简称。
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